fix asset plugin
added form attr: only show in ralph
Merge branch 'master' of github.com:allegro/ralph_pricing
refactoring get_or_create in transaction
fix label style
Added short descriptions to reports' templates (all/top ventures & devices).
Merge pull request #66 from xor-xor/t1350

Added short descriptions to reports' templates (all/top ventures & devices).
fix tests
add new tests
Merge pull request #65 from wmatyskiewicz/reports

added form attr: only show in ralph
Merge pull request #63 from wmatyskiewicz/master

fix asset plugin
update CHANGES.rst
Merge branch 'master' of github.com:allegro/ralph_pricing into changes
fix tests